Truck mechanism for drills.



PATENTBD MAR. 24, 1903.

W. FETZER.

' TRUCK MEGHANISMIOR DRILLS.

APPLICATION FILED DEC. 22; 1902.

H0 MODEL.

$111.70," for V Q/vihleoaeo f 5 warns mans no. PHOYO-LIY UN TED STATES PATENT IQFFICE.

WVILLIAM FETZER, OF MlDDL-ETOWN, OHIO.

TRUCK MECHANISM FOR' DRILLS.

SPECIFICATION forming part of Letters Patent No. 723,662, dated March 24, 1903.

Application filed December 22, 1902? Serial No. 136,251. (No m l 7 To all whom it may concern:

Be it known that I, ILLIAM FETZER, a citizen of the United States, residing at Middletown, in the county of Butler and State of Ohio, have invented certain new and useful Improvements in Truck Mechanism for Drills; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will-enable others skilled in the art to which it appertains to make and use the same.

This invention consists in a truck mechanism for drills, and has special reference to the connection of low-down press-drills with front truck-wheels in such a manner that they will not be likely to creel or tip out of proper position when the drill is to be turned in either direction.

It consists ina truck connection for drills comprising means extending downwardly from the frame of a drill to a guiding-truck for the drill, said means projecting to a point near the axis of the truck-wheels, and means connecting the parts at said axis capable of a universal movement.

It also consists in certain other novel constructions, combinations, and arrangements of parts, as will be hereinafter fully'described and claimed.

In the accompanying drawings, Figure 1 is a perspective view of the truck connection for a drill forming the subject-matter of this invention, the drill being not shown. Fig. 2 is a detail sectional view through the truck connection. A

The present invention is-designed to supply a truck mechanism for a drill, and more especially a low-down press-drill in which the articulating joint between the frame of the drill and the front truck is brought to a point practically at the axis of said truck, while at the same time draft mechanism for drawing the drill can be applied to the connecting means interposed between the frame and the forward truck at different points between said frame and truck.

In embodying the features of the invention in practical form I secure an iron 1 to the front of the frame, preferably at the end of the stub-tongue 2 of a low-down press-drill. This iron is preferably L-shaped, as shown in Fig. 1, and is formed with a rearwardly- 'proper position.

extending attaching portion 3, which may be riveted, bolted, or otherwise secured to the frame orstub-tongue 2. The forward portion of the said iron l is in the form of a vertical leg 4, which extends downwardly to a point just above the axle 5 of a-front guidingtruck 6. The lower end of this vertical leg 4 preferably carries a ball or spherical enlargedportion7, which is inclosed in a socket 8 of suitable structure carried by the front axle. This structure preferably consists of a socket-plate9, formed with a radiated opening 10 of sufficient size to confine'the ball 7 in the socket, but to permit the leg 4 to have considerable forward, backward, or lateral movement, as may be required. The opening 10 is also preferably formed with lateral openings 11 upon opposite sides, so that the socket-plate 9 may he slid upon the flat L-iron until the ball 7 is brought into The ball 7 preferably rests upon aseat-plate 12, which has a seat or bearing formed thereon for receiving the ball 7, while a portion of said plate extends forwardly and is formed with a boxing or recess, as at 13, for receiving the rear end of the tongue 14 of the front truck 6. The seat-plate 12 and the socket-plate 9 are carried by an axle-plate 15,formed witlfd ownwardly-extending flanges 16, which embrace the axle of the front truck, the saidaxle being held between said projections by means of U-shaped bolts orclips 17. The upper ends of these U- shaped bolts project upwardly through apertures in the axle-plate and in the, socketplate, all the parts being held together by applying nuts to the upper threaded ends of the said clips or U-shaped irons 17. The axle-plate 15 and the seat-plate 12 are socured together and to the end of the tongue 14 by bolts, rivets, or the like or in any other suitable manner. The vertical leg 4 of the iron 1 is braced with. respect to the frame or the stub-tongue 2 by a brace-rod 18, extending'from said leg 4 at a point near its lower end obliquely back to the frame of the tongue 2. The brace 18 maybe riveted or bolted to the leg 4 or may be formed integral therewith, if desired.

As shown in Fig. 1 of the drawings, there is a considerable space left upon the leg 4 above the brace rod or member 18, so that the clevis 19 may be secured to the said leg in any suitable manner for the attachment of the draft means (not shown) to the drill. It will be seen that the clevis 19 can be clamped or otherwise secured to the leg 4 at varying heights upon said leg as may be desired.

In practice the use of the L-iron is found to prevent the creeling, or tipping of the front truck when the drill is drawn to one side or the other, as in turningit about. The tendency heretofore in trucks of a similar kind, but where the pivotal connection of the truck with the tongue of the drill has been above the wheels, was to cause the front truck to creel, often lifting one of the wheels above the ground or otherwise twisting it out of position. By the present invention this tendency is obviated, since the weight of the front of the drill is transferred to a point between the wheelsof the front truck near the axis of said wheels, and at the same time means is aiforded for the attachment of the draft mechanism for the drill at adjustable points with relation to the front truck and with relation to the frame or stub-tongue of the drill.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is-

1. A truck connection for drills comprising means attached to the front frame of the drill and extending downwardly to the axle of a truck, a front truck carrying a bearing for the end of said means, and means for holding the parts together, substantially as described.

2. A truck connection for drills comprising an attaching-iron secured to the frame of the drill and extending downwardly therefrom to the axle of a front truck, a front truck for supporting said iron, and a universal connection interposed between the truck and iron, substantially as described.

3. Atruck connection for low-down pressdrills comprising an L-iron secured to the frame of said drilland extendingdownwardly therefrom to the center of a front truck, a front truck for receiving and supporting said iron, and a ball-jointinterposed between the end of the iron and the axle of said truck, substantially as described.

4. A .truck connection for drills comprising an L-iron having a horizontal leg with an attaching portion formed thereon adapted to be secured to the frame of the drill, a vertical leg extending downwardly from said horizontal leg and carrying a ball at its lower end, a truck for supporting said ball, and a socketplate carried by the axle of said truck for receiving the said ball, substantially as described.

5. A truck for press-drills comprising an L-iron secu red to theframe ofadrill, said L- iron having a forward vertical leg extending downwardly from the said frame, means for bracing the said vertical leg with respect to the frame, a truck supporting the vertical leg, and a universal joint interposed between the said iron and front truck, substantially as described.

6. A truck connection for drills comprising an approximately triangular-shaped iron having a ball at its lower end, a truck for supporting said iron, a socket-plate carried on the axle of said truck, means for holding the said ball in said socket, and a clevis mounted upon the said iron for securing draft means to the iron at different heights thereon, substantially as described.

'7. A truck connection for drills comprising an L-iron secured to the frame of the drill and having a downwardly-extending vertical leg, a front truck for supporting the same, and a clevis adapted to be clamped at different heights upon the said vertical leg for attaching a draft mechanism thereto, substantially as described.

8. A truck connection for drills comprising an L-iron secured to the frame of the drill and having one leg extending downwardly to the center of a front truck, a socket upon said front truck for receiving the lower end of said iron, said socket being formed of a socketplate and a seat-plate, an axle-plate carrying said seat-plate and socket-plate, means for securing said plates together and to the axle ofthe front truck, and means for securing the tongue of the front truck to said seat-plate and axle-plate, substantially as described.

In testimony whereof I hereunto affix my signature in presence of two witnesses.

WILLIAM FETZER.

Witnesses:

CHAS. KENT, A. O. FREEZE. 

